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Morningstar Ethernet MeterBus Converter (EMC-1)

Model: EMC-1 · SKU: EMC-1

Prepared Nov 12, 2026

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Common specifications

Device type	Ethernet MeterBus converter: Morningstar MeterBus (RJ-11) to Ethernet (RJ-45)Source [1]
Communications	HTTP; SNMP; MODBUSSource [1]
Supported devices	TriStar MPPT, ProStar MPPT and SunSaver MPPT controllers; TriStar and ProStar (Gen3) controllers; SureSine Classic inverterSource [1]
Ports	MeterBus (RJ-11); Ethernet (RJ-45), 10/100Base-TSource [1]
Display	Not documented
Power input	Powered via the controller's MeterBus port or a DC input, 8-80 VdcSource [1]
Mounting	35 mm DIN railSource [1]
Enclosure	Not documented
Operating temperature	-40 to 60 °C-40 to 140 °F convertedSource [1]
Weight	0.13 kg0.29 lb convertedCalculatedSource [1]
Dimensions	153 D × 86 D × 30 D mm6.02 D × 3.4 D × 1.2 D in convertedCalculatedSource [1]
Enclosure volume	0.39 L** Calculated from recorded external dimensions
Warranty term	5 yearsSource [1]

All recorded specifications

Communications	HTTP; SNMP; MODBUSDocumented claim Conditions Printed as "Supports HTTP, SNMP and MODBUS protocols". Location: PDF page 1, features Printed as "Supports HTTP, SNMP and MODBUS protocols". Location: PDF page 1, features Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Device type	Ethernet MeterBus converter: Morningstar MeterBus (RJ-11) to Ethernet (RJ-45)Documented claim Conditions Printed as "The Ethernet MeterBus Converter (model: EMC-1) provides the data and communications connection for Morningstar devices, between themselves, with surrounding systems, and with the outside environment through the internet." and "The EMC-1 converts this connection into a fully enabled Ethernet port allowing data transfer to the internet." Location: PDF page 1, description Printed as "The Ethernet MeterBus Converter (model: EMC-1) provides the data and communications connection for Morningstar devices, between themselves, with surrounding systems, and with the outside environment through the internet." and "The EMC-1 converts this connection into a fully enabled Ethernet port allowing data transfer to the internet." Location: PDF page 1, description Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Dimensions	153 D × 86 D × 30 D mm6.02 D × 3.4 D × 1.2 D in convertedCalculated15.3 x 8.60 x 3.0 cm x 10 mm/cm = 153 x 86 x 30 mm Conditions Printed as "Dimensions 15.3 x 8.60 x 3.0 cm 6.04 x 3.37 x 1.2 in"; no axes are named, so the figures are kept in printed order. Location: PDF page 2, Mechanical, Dimensions Printed as "Dimensions 15.3 x 8.60 x 3.0 cm 6.04 x 3.37 x 1.2 in"; no axes are named, so the figures are kept in printed order. Location: PDF page 2, Mechanical, Dimensions Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Mounting	35 mm DIN railDocumented claim Conditions Printed as "8. DIN rail mounts (bottom of unit) 35mm standard size". Location: PDF page 2, unit diagram, item 8 Printed as "8. DIN rail mounts (bottom of unit) 35mm standard size". Location: PDF page 2, unit diagram, item 8 Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Operating temperature	-40 to 60 °C-40 to 140 °F convertedDocumented claim Conditions Printed as "Operating Temperature Range –40°C to +60°C". Location: PDF page 2, Environmental, Operating Temperature Range Printed as "Operating Temperature Range –40°C to +60°C". Location: PDF page 2, Environmental, Operating Temperature Range Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Ports	MeterBus (RJ-11); Ethernet (RJ-45), 10/100Base-TDocumented claim Conditions Printed as "Communication Protocols and Ports: MorningStar MeterBus (RJ-11) MODBUS Serial (RJ-11) MODBUS IP (RJ-45) HTTP (RJ-45) SNMP (RJ-45) • Ethernet speed: 10/100Base-T". Location: PDF page 2, Data & Communications Printed as "Communication Protocols and Ports: MorningStar MeterBus (RJ-11) MODBUS Serial (RJ-11) MODBUS IP (RJ-45) HTTP (RJ-45) SNMP (RJ-45) • Ethernet speed: 10/100Base-T". Location: PDF page 2, Data & Communications Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Power input	Powered via the controller's MeterBus port or a DC input, 8-80 VdcDocumented claim Conditions Printed as "Powered via MeterBus port on controller or DC Input for 12, 24 or 48V systems" and "DC Input Supply Voltage Range 8-80 Vdc". Location: PDF page 1, features; PDF page 2, Electrical Printed as "Powered via MeterBus port on controller or DC Input for 12, 24 or 48V systems" and "DC Input Supply Voltage Range 8-80 Vdc". Location: PDF page 1, features; PDF page 2, Electrical Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Self-consumption (W)	2 WDocumented claim Conditions Printed as "Maximum Self-consumption 2 Watts". Location: PDF page 2, Electrical, Maximum Self-consumption Printed as "Maximum Self-consumption 2 Watts". Location: PDF page 2, Electrical, Maximum Self-consumption Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Supported devices	TriStar MPPT, ProStar MPPT and SunSaver MPPT controllers; TriStar and ProStar (Gen3) controllers; SureSine Classic inverterDocumented claim Conditions Printed as "Compatible Morningstar products include: • MPPT controllers: TriStar MPPT, ProStar MPPT, and SunSaver MPPT • PWM controllers: TriStar, ProStar (Gen3) • SureSine Classic inverter". Location: PDF page 1, description Printed as "Compatible Morningstar products include: • MPPT controllers: TriStar MPPT, ProStar MPPT, and SunSaver MPPT • PWM controllers: TriStar, ProStar (Gen3) • SureSine Classic inverter". Location: PDF page 1, description Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]
Weight	0.13 kg0.29 lb convertedCalculated0.13 kg as printed Conditions Printed as "Weight 0.13 kg / 0.28 lbs" (written in kg). Location: PDF page 2, Mechanical, Weight Printed as "Weight 0.13 kg / 0.28 lbs" (written in kg). Location: PDF page 2, Mechanical, Weight Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]

Warranty

Warranty term	5 yearsDocumented claim Conditions Printed once as "Warranty Five year warranty period.". The datasheet prints no further terms. Location: PDF page 2, Warranty Printed once as "Warranty Five year warranty period.". The datasheet prints no further terms. Location: PDF page 2, Warranty Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture) [1]

Warranty term

5 yearsDocumented claim

Conditions

Printed once as "Warranty Five year warranty period.". The datasheet prints no further terms.

Location: PDF page 2, Warranty

Printed once as "Warranty Five year warranty period.". The datasheet prints no further terms.

Location: PDF page 2, Warranty

Official datasheet · Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture)

[1]

Certificate records

No records documented.

Sources and revisions

Morningstar Ethernet MeterBus Converter datasheet (MS-001964 Rev DS-EN 05/2022) (November 2, 2026 capture)Official datasheet · Revision MS-001964 Rev DS-EN 05/2022 · Checked Nov 1, 2026https://www.morningstarcorp.com/wp-content/uploads/datasheet-ethernet-meterbus-converter-en.pdf